| 摘要 |
<p>An infusion system for the delivery of a first continuous flow of an intravenous fluid and second multiple selectable dosages of the fluid from a source (10) to a site comprises a source (10) of intravenous fluid under pressure, a housing (26) having an inlet (20) for connection to the source (10) of fluid and an outlet (24) for connection to a delivery site, a first passage (30, 32) in the housing (26) for conveying a continuous constant low volume of the fluid to the outlet (24), and a second passage (34, 38) in the housing (26) having an accumulator (50) for accumulating a predetermined fixed charge of fluid and an actuator (52) for selectively releasing the flow of the fluid from the accumulator (50) to the outlet (24).</p> |
